CVE-2022-3596Instack-undercloud: rsync leaks information to undercloud
- 7.5HighCVSS base score
- 1.1%Exploitation in 30 daysEPSS · top 34% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
An information leak was found in OpenStack's undercloud. This flaw allows unauthenticated, remote attackers to inspect sensitive data after discovering the IP address of the undercloud, possibly leading to compromising private information, including administrator access credentials.
Timeline
ID reserved
By redhat
- 11 months later
· 11 months later
Published
- 11 months later
· 11 months later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| redhatCNA (assigner) | 3.1 | High7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
| NVDNVD · Modified | 3.1 | High7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
- EPSS (exploitation in 30 days)
- 1.1% · top 34% of all CVEs (12 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: partial
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.5.
Affected products
Red Hat · Red Hat OpenStack Platform 13.0 - ELS
- unaffected 0:8.4.9-13.el7ost – < *
Red Hat · Red Hat OpenStack Platform 13.0 (Queens) for RHEL 7.6 EUS
- unaffected 0:8.4.9-13.el7ost – < *
What to do
Workaround: The rsync daemon is no longer needed and can be manually disabled by running the following commands on the undercloud: sudo rm /etc/xinetd.d/rsync /etc/rsyncd.conf sudo systemctl restart xinetd However, this will be reverted if the undercloud gets updated.
References
References3
- RHSA-2022:8897 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- https://access.redhat.com/security/cve/CVE-2022-3596 (opens in a new tab)vdb-entryx_refsource_REDHATx_transferred
- RHBZ#2136596 (opens in a new tab)issue-trackingx_refsource_REDHATx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2022-42960 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2022-3596)Record last updated .